Drilling tool, which, among other flank cutting edges with end - is equipped, at its end cutting assembly is designed in the shape of a m -

摘要

The drill (1) has an M-shaped cutting end and is rotated to move in the material to be drilled. The drill bit has exchangeable cutting plates, which can be releasably screwed to a cutting plate support. The cutting plates are supported on both sides at the plate support and fit against an exchangeable pin, so that different sizes of cutting plate can be supported at the support area with a snug fit.